How To Fix EMV191 - Internal error in function module ISU_S_MOVE_IN_CHARGES_POST

SAP Error Message - Details

• Message type: E = Error

• Message class: EMV - Reserved for IS-U: move-in/out

• Message number: 191

• Message text: Internal error in function module ISU_S_MOVE_IN_CHARGES_POST

What causes this issue?

No function module is available for calculating the move-in charges.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you want to levy charges during a move-in, a function module or
calculating the move-in charges must exist and must be recorded in
table TFKFBC (installation-specific function modules) or table TFKFS
(field selector) (application area R, event R880).
If you do <ZH>not</> want to levy charges during a move-in, please
check the settings in table TE490ES (General system parameters for
move-in and move-out).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EMV191 - Internal error in function module ISU_S_MOVE_IN_CHARGES_POST ?

  The SAP error message EMV191, which indicates an "Internal error in function module ISU_S_MOVE_IN_CHARGES_POST," typically occurs in the context of the SAP IS-U (Industry Solution for Utilities) module. This error can arise during the processing of move-in charges, which are related to the registration of a new customer or the transfer of a service.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies or missing data in the master data or transaction data related to the customer, contract, or service point.
  Configuration Issues: Incorrect configuration settings in the IS-U module can lead to errors during the processing of move-in charges.
  Custom Code: If there are custom enhancements or modifications in the function module or related processes, they may introduce errors.
  System Bugs: There may be known bugs in the version of SAP you are using that affect the function module.
  
  Solutions:
  
  Check Data Consistency: Verify that all necessary data for the move-in process is complete and consistent. This includes checking customer master data, contract accounts, and service point data.
  Review Configuration: Ensure that the configuration settings for the IS-U module are correct. This includes checking the settings for move-in charges and related billing processes.
  Debugging: If you have access to debugging tools, you can analyze the function module ISU_S_MOVE_IN_CHARGES_POST to identify the exact point of failure. This may require the assistance of a developer or SAP consultant.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in IS-U, such as EAM (Energy Account Management) or ISU_MV (Move-In Management).
  Documentation: Review SAP documentation related to the IS-U module, particularly sections on move-in processes and billing.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to diagnose and potentially resolve the EMV191 error in your SAP system.